APA (7th ed.) Citation

Londonderry. (1938). Ourselves and Germany. Penguin.

Chicago Style (17th ed.) Citation

Londonderry. Ourselves and Germany. London: Penguin, 1938.

MLA (9th ed.) Citation

Londonderry. Ourselves and Germany. Penguin, 1938.

Warning: These citations may not always be 100% accurate.